Cranial nerve Sensory function Motor function Olfactory nerve Provides sensation of smell in nasal cavity Not present Optic nerve Signals transmission from retina to brain Not present Oculomotor nerve Not present Function in movement of rectus muscles of eye. Trochlear nerve Not present Move eye ball and innervates pupilla of sphincter Trigeminal nerve It helps in receiving signal from the face Jaw movement and assist its mastication Abducens nerve Not present Eye muscles’ lateral movement Facial nerve Control emotions, taste and sense Detect and help tongue to taste, control secretion of saliva, control expression and secretions of lachrymal gland Vestibular cochlear It receives sound and signals coming to ear and respond to it Not present Glossopharyngeal nerve Control tonsils, taste sensation, command vagus nerve Secrete to parotid glands, control posterior tongue, provides abdominal parasympathetic nerve, Vagus nerve Send sensation to pharynobuccal, recognize voice Pharynx. Larynx innervation, parasympathetic nerves are provided Accessory nerve Not present Keep head straight Hypoglossal Not present Controls swallowing, articulate speech and also modulate it